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17223554 : xquared upgrade to 0.7
git-svn-id: http://xe-core.googlecode.com/svn/sandbox@4968 201d5d3c-b55e-5fd7-737f-ddc643e51545
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haneul
parent
5956e254e7
commit
7c3b336e41
59 changed files with 34562 additions and 8454 deletions
375
modules/editor/skins/xquared/javascripts/rdom/W3.js
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375
modules/editor/skins/xquared/javascripts/rdom/W3.js
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@ -0,0 +1,375 @@
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/**
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* Base for W3C Standard Engine
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*
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* @requires Xquared.js
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* @requires rdom/Base.js
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*/
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xq.rdom.W3 = xq.Class(xq.rdom.Base,
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/**
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* @name xq.rdom.W3
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* @lends xq.rdom.W3.prototype
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* @extends xq.rdom.Base
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* @constructor
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*/
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{
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insertNode: function(node) {
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var rng = this.rng();
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if(!rng) {
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this.getRoot().appendChild(node);
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} else {
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rng.insertNode(node);
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rng.selectNode(node);
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rng.collapse(false);
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}
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return node;
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},
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removeTrailingWhitespace: function(block) {
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// TODO: do nothing
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},
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getOuterHTML: function(element) {
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var div = element.ownerDocument.createElement("div");
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div.appendChild(element.cloneNode(true));
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return div.innerHTML;
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},
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correctEmptyElement: function(element) {
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if(!element || element.nodeType !== 1 || this.tree.isAtomic(element)) return;
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if(element.firstChild)
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this.correctEmptyElement(element.firstChild);
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else
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element.appendChild(this.makePlaceHolder());
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},
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correctParagraph: function() {
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if(this.hasSelection()) return false;
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var block = this.getCurrentBlockElement();
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var modified = false;
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if(!block) {
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try {
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this.execCommand("InsertParagraph");
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modified = true;
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} catch(ignored) {}
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} else if(this.tree.isBlockOnlyContainer(block)) {
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this.execCommand("InsertParagraph");
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// check for HR
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var newBlock = this.getCurrentElement();
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if(this.tree.isAtomic(newBlock.previousSibling) && newBlock.previousSibling.nodeName === "HR") {
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var nextBlock = this.tree.findForward(
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newBlock,
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function(node) {return this.tree.isBlock(node) && !this.tree.isBlockOnlyContainer(node)}.bind(this)
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);
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if(nextBlock) {
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this.deleteNode(newBlock);
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this.placeCaretAtStartOf(nextBlock);
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}
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}
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modified = true;
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} else if(this.tree.hasMixedContents(block)) {
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this.wrapAllInlineOrTextNodesAs("P", block, true);
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modified = true;
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}
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// insert placeholder - part 1
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block = this.getCurrentBlockElement();
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if(this.tree.isBlock(block) && !this._hasPlaceHolderAtEnd(block)) {
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block.appendChild(this.makePlaceHolder());
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modified = true;
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}
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// insert placeholder - part 2
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if(this.tree.isBlock(block)) {
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var parentsLastChild = block.parentNode.lastChild;
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if(this.isPlaceHolder(parentsLastChild)) {
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this.deleteNode(parentsLastChild);
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modified = true;
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}
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}
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// remove empty elements
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if(this.tree.isBlock(block)) {
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var nodes = block.childNodes;
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for(var i = 0; i < nodes.length; i++) {
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var node = nodes[i];
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if(node.nodeType === 1 && !this.tree.isAtomic(node) && !node.hasChildNodes() && !this.isPlaceHolder(node)) {
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this.deleteNode(node);
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}
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}
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}
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return modified;
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},
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_hasPlaceHolderAtEnd: function(block) {
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if(!block.hasChildNodes()) return false;
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return this.isPlaceHolder(block.lastChild) || this._hasPlaceHolderAtEnd(block.lastChild);
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},
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applyBackgroundColor: function(color) {
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this.execCommand("styleWithCSS", "true");
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this.execCommand("hilitecolor", color);
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this.execCommand("styleWithCSS", "false");
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// 0. Save current selection
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var bookmark = this.saveSelection();
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// 1. Get selected blocks
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var blocks = this.getSelectedBlockElements();
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if(blocks.length === 0) return;
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// 2. Apply background-color to all adjust inline elements
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// 3. Remove background-color from blocks
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for(var i = 0; i < blocks.length; i++) {
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if((i === 0 || i === blocks.length-1) && !blocks[i].style.backgroundColor) continue;
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var spans = this.wrapAllInlineOrTextNodesAs("SPAN", blocks[i], true);
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for(var j = 0; j < spans.length; j++) {
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spans[j].style.backgroundColor = color;
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}
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blocks[i].style.backgroundColor = "";
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}
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// 4. Restore selection
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this.restoreSelection(bookmark);
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},
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//////
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// Commands
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execCommand: function(commandId, param) {
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return this.getDoc().execCommand(commandId, false, param || null);
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},
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applyRemoveFormat: function() {
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this.execCommand("RemoveFormat");
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},
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applyRemoveLink: function() {
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this.execCommand("Unlink");
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},
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applyEmphasis: function() {
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// Generate <i> tag. It will be replaced with <emphasis> tag during cleanup phase.
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this.execCommand("styleWithCSS", "false");
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this.execCommand("italic");
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},
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applyStrongEmphasis: function() {
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// Generate <b> tag. It will be replaced with <strong> tag during cleanup phase.
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this.execCommand("styleWithCSS", "false");
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this.execCommand("bold");
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},
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applyStrike: function() {
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// Generate <strike> tag. It will be replaced with <style class="strike"> tag during cleanup phase.
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this.execCommand("styleWithCSS", "false");
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this.execCommand("strikethrough");
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},
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applyUnderline: function() {
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// Generate <u> tag. It will be replaced with <em class="underline"> tag during cleanup phase.
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this.execCommand("styleWithCSS", "false");
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this.execCommand("underline");
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},
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//////
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// Focus/Caret/Selection
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focus: function() {
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this.getWin().focus();
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},
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sel: function() {
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return this.getWin().getSelection();
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},
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rng: function() {
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var sel = this.sel();
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return (sel === null || sel.rangeCount === 0) ? null : sel.getRangeAt(0);
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},
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saveSelection: function() {
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var rng = this.rng();
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return [rng.startContainer, rng.startOffset, rng.endContainer, rng.endOffset];
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},
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restoreSelection: function(bookmark) {
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var rng = this.rng();
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rng.setStart(bookmark[0], bookmark[1]);
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rng.setEnd(bookmark[2], bookmark[3]);
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},
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hasSelection: function() {
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var sel = this.sel();
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return sel && !sel.isCollapsed;
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},
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deleteSelection: function() {
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this.rng().deleteContents();
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this.sel().collapseToStart();
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},
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selectElement: function(element, entireElement) {throw "Not implemented yet"},
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selectBlocksBetween: function(start, end) {
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// @WORKAROUND: required to avoid FF selection bug.
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try {
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if(!xq.Browser.isMac) this.getDoc().execCommand("SelectAll", false, null);
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} catch(ignored) {}
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var rng = this.rng();
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rng.setStart(start.firstChild, 0);
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rng.setEnd(end, end.childNodes.length);
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},
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collapseSelection: function(toStart) {
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var rng = this.rng();
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if(rng) rng.collapse(toStart);
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},
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placeCaretAtStartOf: function(element) {
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while(this.tree.isBlock(element.firstChild)) {
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element = element.firstChild;
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}
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this.selectElement(element, false);
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this.collapseSelection(true);
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},
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placeCaretAtEndOf: function(element) {
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while(this.tree.isBlock(element.lastChild)) {
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element = element.lastChild;
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}
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this.selectElement(element, false);
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this.collapseSelection(false);
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},
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getSelectionAsHtml: function() {
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var container = document.createElement("div");
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container.appendChild(this.rng().cloneContents());
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return container.innerHTML;
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},
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getSelectionAsText: function() {
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return this.rng().toString()
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},
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hasImportantAttributes: function(element) {
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return !!(element.id || element.className || element.style.cssText);
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},
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isEmptyBlock: function(element) {
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if(!element.hasChildNodes()) return true;
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var children = element.childNodes;
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for(var i = 0; i < children.length; i++) {
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if(!this.isPlaceHolder(children[i]) && !this.isEmptyTextNode(children[i])) return false;
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}
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return true;
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},
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getLastChild: function(element) {
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if(!element || !element.hasChildNodes()) return null;
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var nodes = xq.$A(element.childNodes).reverse();
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for(var i = 0; i < nodes.length; i++) {
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if(!this.isPlaceHolder(nodes[i]) && !this.isEmptyTextNode(nodes[i])) return nodes[i];
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}
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return null;
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},
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getCurrentElement: function() {
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var rng = this.rng();
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if(!rng) return null;
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var container = rng.startContainer;
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if(container.nodeType === 3) {
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return container.parentNode;
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} else if(this.tree.isBlockOnlyContainer(container)) {
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return container.childNodes[rng.startOffset];
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} else {
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return container;
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}
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},
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getBlockElementsAtSelectionEdge: function(naturalOrder, ignoreEmptyEdges) {
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var start = this.getBlockElementAtSelectionStart();
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var end = this.getBlockElementAtSelectionEnd();
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var reversed = false;
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if(naturalOrder && start !== end && this.tree.checkTargetBackward(start, end)) {
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var temp = start;
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start = end;
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end = temp;
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reversed = true;
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}
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if(ignoreEmptyEdges && start !== end) {
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// @TODO: Firefox sometimes selects one more block.
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/*
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var sel = this.sel();
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if(reversed) {
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if(sel.focusNode.nodeType === 1) start = start.nextSibling;
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if(sel.anchorNode.nodeType === 3 && sel.focusOffset === 0) end = end.previousSibling;
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} else {
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if(sel.anchorNode.nodeType === 1) start = start.nextSibling;
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if(sel.focusNode.nodeType === 3 && sel.focusOffset === 0) end = end.previousSibling;
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}
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*/
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}
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return [start, end];
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},
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isCaretAtBlockEnd: function() {
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if(this.isCaretAtEmptyBlock()) return true;
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if(this.hasSelection()) return false;
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var node = this.getCurrentBlockElement();
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var marker = this.pushMarker();
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var isTrue = false;
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while (node = this.getLastChild(node)) {
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var nodeValue = node.nodeValue;
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if (node === marker) {
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isTrue = true;
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break;
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}
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}
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this.popMarker();
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return isTrue;
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},
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getBlockElementAtSelectionStart: function() {
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var block = this.getParentBlockElementOf(this.sel().anchorNode);
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// find bottom-most first block child
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while(this.tree.isBlockContainer(block) && block.firstChild && this.tree.isBlock(block.firstChild)) {
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block = block.firstChild;
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}
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return block;
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},
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getBlockElementAtSelectionEnd: function() {
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var block = this.getParentBlockElementOf(this.sel().focusNode);
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// find bottom-most last block child
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while(this.tree.isBlockContainer(block) && block.lastChild && this.tree.isBlock(block.lastChild)) {
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block = block.lastChild;
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}
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return block;
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}
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});
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